Home / MIME Types / application/octet-stream

application/octet-stream

Binary file

Application

.bin

Media Type

application/octet-stream

File Extension

.bin

HTTP Response Header

Content-Type: application/octet-stream

HTML Link Tag

<link rel="stylesheet" type="application/octet-stream" href="style.css">

JavaScript Fetch API

fetch('/api/data', {
  headers: {
    'Content-Type': 'application/octet-stream'
  }
})

Express.js (Node.js)

res.setHeader('Content-Type', 'application/octet-stream');
res.send(data);

Application MIME types are used for structured data and binary files. The Content-Type header helps browsers and APIs process the data correctly.

JSON data

XML application data

PDF document